<div class="hidden OptionTitle">搜索表格</div>
<div class="hidden OptionBtn">搜索</div>
<form role="form" method="post" action="" class="checkoutform">
  <div class="form-group"> 
    <label for="email">搜索关键词</label>
    <input class="form-control" id="keywords" name="keywords" value="{$keywords}" placeholder="关键词" type="text">
  </div>
</form>